国際学会

2021年

  • Han Lyu, Tetsuhiro Watanabe, Ruohan Zhong, Method Kilasara, Arief Hartono, and Shinya Funakawa. Effect of Climate and Geochemistry on Organic Carbon Pools in Top and Subsoils of Tropical Volcanic Regions, European Geosciences Union General Assembly 2021, Online, 2021
  • Jiajie Du, Jinsen Zheng, Makoto Shibata, Zixiao Wang, Tetsuhiro Watanabe, and Shinya Funakawa. Dissimilatory nitrate reduction processes along a forest hillslope, European Geosciences Union General Assembly 2021, Online, 2021

2019年

  • Swe, K. N., S. Funakawa. Forest Cover Changes Under Hydropower Dam Construction in Paunglaung Reserved Forest, Southern Shan Highlands, Myanmar , 130th Annual meeting of Japanese Forest Society, Niigata, Japan , 2019
  • KC, S., Shinjo, H. Use of urine and excreta could improve vegetable production and soil fertility in Central Nepal , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Zheng, J., Funakawa, S. Optimizing nitrogen management to balance food and environmental objectives in two maize systems of the Tanzanian highlands , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Shibata, M., Sangsompaisarn, N., Funakawa, S. Gross Nitrogen Transformation Rates during Shifting Cultivation Cycle in Northern Thailand , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Funakawa, S., Shinjo, H., Ando, K., Shibata, M. Comparison of nutrient utilization strategies of traditional shifting agriculture under different climatic and soil conditions in Zambia, Thailand, Indonesia, and Cameroon , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Kobayashi, H., Sugihara, S., Sawada, K., Kilasara, M., Tanaka, H., Murase, J., Lee, C.G., Toyota, K., Shibata, M., Kosak,i T. Relationship between soil microbial diversity and its carbon use efficiency under different land-use in Tanzania , 7th International Symposium on Soil Organic Matter, Adelaide, Australia , 2019
  • Shinjo, H. Kannno, M., Teshirogi, K., Nakashima, K., Tanaka, U. and Malima, B. Agricultural Practices and Soil Properties Controlling Crop Production in Sandy Soils under Semiarid Tropical Climate , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Ma, Q., Zheng, J., Watanabe, T., Funakawa, S. Microbial immobilization of 15N labeled ammonium and nitrate following addition of polysaccharide with different quality , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Lyu, H., Watanabe, T., Hartono, A., Kilasara, M., Funakawa, S. Distribution of soil organic carbon and its controlling factors in tropical volcanic regions , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Watanabe, T., Miyachi, A. Chen, Y-F, Zheng, J., Hartono, A., Pachikin, K., Funakawa, S. Soil properties controlling accumulation of C from plant residue , 14th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Taipei, China , 2019
  • Watanabe, T., Miyachi, A., Hartono, A., Funakawa, S. Effects of active Al and Fe and degree of carbon saturation on organic matter accumulation , 8th International Symposium on Interactions of Soil Minerals with Organic Components and Microorganisms, Seville, Spain , 2019

2018年

  • Mishra, AK., Shinjo, H., Jat, H.S., Jat, M.L., Jat, R.K., Funakawa, S. Impact of Conservation Agriculture Practices on Productivity and Stratification of Soil Carbon in Indo-Gangetic Plains of India. 6th International Conference on Plants and Environmental Pollution (ICPEP-6), Lucknow, India, 2018
  • Shinjo, H., Ando, K., Nakashima, K., Umetsu, C., Tanaka, U., Sokotela, S., Malima, B. How can we mitigate impact of climatic variability on crop production in the semiarid tropics of Africa?. 21st World Congress of Soil Science, Rio de Janeiro, Brazil, 2018
  • Ashida, K., Watanabe, T., Hartono, A., Kilasara, M., Mvond, Ze, A., Funakawa, S. Factors controlling organic carbon storage in tropical soils. 21st World Congress of Soil Science, Rio de Janeiro, Brazil, 2018
  • Mishra AK., Shinjo, H., Jat HS, Jat, ML., Jat, RK., Funakawa, S. Do short-term conservation agriculture practices affecting stratification of soil labile carbon in Trans-Gangetic plains of India?. 21st World Congress of Soil Science, Rio de Janeiro, Brazil, 2018
  • Shinjo, H., Ando, K., Nakashima, K., Umetsu, C., Tanaka, U., Sokotela, S., Malima, B. How can we mitigate impact of climatic variability on crop production in the semiarid tropics of Africa?. 21st World Congress of Soil Science, Rio de Janeiro, Brazil, 2018
  • Watanabe, T., Lyu, H., Funakawa, S. Weathering sequence of clay-size minerals based on weathering index and silicic acid activity. 21st World Congress of Soil Science, Rio de Janeiro, Brazil, 2018
  • Zheng, J., Mmari. WN., Nishigaki, T., Kilasara, MM., Funakawa, S. Fertilizer application alters temporal dynamics of soil inorganic nitrogen and its availability to maize in two soil types in the Tanzanian highlands , 21st World Congress of Soil Science, Rio de Janeiro, Brazi , 2018

2017年

  • Marwanto, S., Watanabe, T., Iskandar, W., Sabiham, S., Funakawa,S. Influence of seasonal rainfall and water table movement on the soil solution composition of tropical peatland in West Kalimantan, Indonesia. 13th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Pattaya, Thailand, 2017
  • Lyu, H., Watanabe, T., Funakawa, S. Distribution of soil secondary minerals influenced by climate in volcanic regions of Tanzania. 13th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Pattaya, Thailand, 2017
  • Hseu, Z. Y., Fujii, K., Watanabe, T., Nakao, A., Zehetner, F. Fractionation of chromium and nickel in serpentine soils from temperate to tropical regions along a pedoclimate gradient. 13th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Pattaya, Thailand, 2017
  • McCarthy, C., Shinjo, H. Attitudes, perceptions and ICT use by local stakeholders at Khuvsgol Lake National Park, Mongolia. 4th Annual Oxford Desert Conference, Oxford, UK, 2017
  • Iskandar, W., Marwanto, S., Watanabe, T., Funakawa, S. Nutrient distributions affected by landform in tropical inland peat in Riau, Indonesia. CONSOWA (WORLD CONFERENCE ON SOIL AND WATER CONSERVATION UNDER GLOBAL CHANGE), Lleida, Spain, 2017
  • Athuman, M., Kilasara, M., Charles, G. Effect of Drip Watering Regimes on the Growth Performance: Yield, and Water Use Efficiency of Sorghum (Sorghum Bicolor) in Semi-Arid Environment of Tanzania. CONSOWA (WORLD CONFERENCE ON SOIL AND WATER CONSERVATION UNDER GLOBAL CHANGE), Lleida, Spain, 2017
  • Nguyen, P. K., Watanabe, T., Funakawa, S. Effects of parent materials and climate on characteristics of soil conditions in Vietnam. HUST & KU International Symposium on the Education & Research of the Global Environmental Studies in Asia, Hanoi, Vietnam, 2017

2016年

  • KC, S., Shinjo, H. Effectiveness of Ecological Sanitation from the Viewpoint of Urine Application on Vegetables in Central Nepal. 7th International Conference on Researches in Science and Technology (ICRST), Singapore, 2016
  • Mishra, A. K., Shinjo, H., Jat, H.S., Jat, M.L., Jat, R.K., Funakawa, S. Farmer’s perspective on adaptation and up-scaling of conservation agriculture based management practices in Indo-Gangetic plains of India. International Conference on Conservation Agriculture and Sustainable Land Use, Budapest, Hungary, 2016
  • Poudel, S., Funakawa, S., Shinjo, H. Climate change impacts at the household level food security in the mountainous region of Nepal. Proceedings of the 6th International Disaster and Risk Conference IDRC Davos 2016, Davos, Swizerland, 2016
  • Okamoto, Y., McCarthy, C., Mahinda, A., Iskandar, W., Kumar, Mishra, A., Funakawa, S. Applicability of the Multicopter (Unmanned Aerial Vehicle) snd Aerial Photograph in the Experimental Station, Kyoto Japan. International Symposium on Global Environmental Studies Education and Research in Asia, Kyoto, Japan, 2016

2015年

  • Sugihara, S., Tomita, Y., Nishigaki, T., Kilasara, M., Wasaki, J., Funakawa, S. Different P uptake characteristics of three legumes in two contrasting soil texture croplands of Tanzania. 12th International Conference of ESAFS, Sep. 18-21, 2015, Nanjing, China, 2015
  • Sugihara, S., Shibata, M., Funakawa, S. Effect of vegetation on soil nutrient stock and its availability at the forest-savanna transition zone of central Africa. Forest-Savanna Sustainability Project Cameroon (FOSAS) International Symposium, Yaounde, Cameroon, 2015
  • Shibata, M., Sugihara, S., Funakawa, S. Effects of land reclamation on soil nutrient fluxes of forest and savanna in Andom. Forest-Savanna Sustainability Project Cameroon (FOSAS) International Symposium, Yaounde, Cameroon, 2015
  • Funakawa, S., Sugihara, S., Shibata, M. Integrated analysis on soils and ecosystem processes in southern and eastern Cameroon for establishing sustainable agriculture. Forest-Savanna Sustainability Project Cameroon (FOSAS) International Symposium, Yaounde, Cameroon, 2015
  • Watanabe, T., Nakao, A., Sugihara, S., Shibata, M., Funakawa, S. Preservation of organic carbon in Cameroonian soils by active Al and Fe. Forest-Savanna Sustainability Project Cameroon (FOSAS) International Symposium, Yaounde, Cameroon, 2015
  • Nishigaki, T., Sugihara, S., Kilasara, M., Funakawa, S. Soil-plant nitrogen dynamics under different application method and quality of crop residues in maize croplands with contrasting soil textures in Tanzania. 28th Soil Science Society of East Africa, Morogoro, Tanzania, 2015
  • Sugihara, S., Funakawa, S., Nishigaki, T., Kilasara, M., Kosaki, T. Evaluation and improvement of soil carbon, nitrogen and phosphorus dynamics in Tanzania. 28th Soil Science Society of East Africa, Morogoro, Tanzania, 2015

2014年

  • Ando, K., Shinjo, H., Kuramitsu, H., Miura, R., Funakawa, S. Effects of cropping and short natural fallow rotation on carbon balance in the semiarid tropics of Africa. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Shinjo, H., Ikazaki, K., Imanaka, S., Tanaka, U., Hayashi, K., Tobita, S. and Kosaki, T. Sustainable and efficient land management practices in the Sahel. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Ikazaki, K., Shinjo, H., Tanaka, U., Tobita, S., Funakawa, S., Kosaki, T. “Fallow band system”, a do-nothing practice for controlling desertification and improving crop production in the Sahel, West Africa. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Nguyen, Lam Ho, Watanabe, T., Funakawa, S. Spatiotemporal variability of soil salinity and its effects on rice production in north central coastal region of Vietnam. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Watanabe, T., Hase, E., Funakawa, S., Kosaki, T. Effects of active aluminum and iron on phosphate extractability with special reference to soil micro- and meso-pores. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Shibata, M., Sugihara, S., Mvondo Ze, A., Araki, S., Funakawa, S. Nitrogen fluxes in the soil profile of tropical seasonal forests in Cameroon. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Nishigaki, T., Sugihara, S., Kilasara, M., Funakawa, S. Effect of application method and quality of crop residues on soil nitrogen dynamics in maize croplands with contrasting soil texture in Tanzania. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Watanabe, T., Hase, E., Funakawa, S., Kosaki, T. Effects of active aluminium and iron on phosphate extractability with special reference to soil micro- and meso-pores. 20th World Congress of Soil Science, Jeju, Korea, 2014
  • Nguyen, H.L., Watanabe, T., Funakawa, S. Spatiotemporal variability of soil salinity and its effects on rice production in the north central coastal region of Vietnam. 20th World Congress of Soil Science, Jeju, Korea 2014
  • Hseu, Z. Y., Watanabe, T., Nakao, A., Zehetner, F., Fujii, K., Ok, Y. S. Chromium and nickel dynamics in serpentine. 2nd CLEAR, 2014
  • Tanaka, U.,; Ikazaki, K., Shimizu, T., Sasaki, Y., Shinjo, H., Tobita, S. Designing of practical techniques for desertification control collaborating with local people in the Sahel, West Africa. 5th International Disaster and Risk Conference IDRC Davos 2014, Davos, Swizerland, 2014

2013年

  • Watanabe, T., Ota, Y., Nakao, A., Hartono, A., Funakawa, S. Distribution of clay minerals and their formation conditions in volcanic soils of Java and Sumatra islands, Indonesia. 11th International Conference of the East and Southeast Asian Federation of Soil Science, Bogor, Indonesia, 2013
  • Funakawa, S., Watanabe, T., Hasenaka, Y., Nakao, A., Hartono, A. Clay mineral composition in soils developed under different geological and climatic conditions of Kalimantan. 11th International Conference of the East and Southeast Asian Federation of Soil Science, Bogor, Indonesia, 2013
  • Watanabe, T., Ota, Y., Nakao, A., Hartono, A., Funakawa, S. Distribution of clay minerals and their formation in volcanic soils of Java and Sumatra islands, Indonesia. 11th International Conference of the East and Southeast Asian Federation of Soil Science, Bogor, Indonesia, 2013
  • Nakao, A., Ogasawara, S., Funakawa, S., Kosaki, T. Yanai, J. Relationships between Radiocesium Interception Potential (RIP) and clay mineralogy of soils. 12th International Conference on the Biogeochemistry of Trace Elements (ICOBTE2013), Georgia, USA, 2013
  • Kosaki, T., Funakawa, S. Dynamics of soil carbon, nutrients and microbial activity under shifting cultivation systems: clues about indigenous wisdom in the humid tropics. IUSS Soil Carbon Conference, Madison, Wisconsin, USA, 2013
  • Watanabe, T., Urayama, S., Sugihara, S., Nakao, A., Funakawa, S., Kosaki, T., Araki, S. Preservation of organic carbon in humid tropical soils by active Al and Fe. IUSS Soil Carbon Conference, Madison, Wisconsin, USA 2013
  • Funakawa, S., Fujii, K., Hayakawa, C., Sawada, K., Watanabe, T., Kosaki, T. Could soil acidity enhance sequestration of organic carbon in soils?. IUSS Soil Carbon Conference, Madison, Wisconsin, USA, 2013
  • Sugihara, S., Funakawa, S., Shinjo, H., Kadono, A., Takata, Y., Sawada, K., Ikazaki, K., Fujii, K., Kosaki, T. In situ short-term dynamics of CO2 flux and microbial biomass after simulated rainfall in dry croplands. IUSS Soil Carbon Conference, Madison, Wisconsin, USA, 2013
  • Fujii, K., Hayakawa, C., Funakawa, S., Kosaki, T. Rate-limiting steps of nitrogen mineralization in forest and arable soils with special reference to depolymerization and ammonification. 4th International Symposium on Soil organic Matter, Nanjing, China, 2013
  • Hayakawa, C., Fujii, K., Funakawa, S., Kosaki, T. Cellulose decomposition rates and their implication for soil carbon cycles in forests and croplands. 4th International Symposium on Soil Organic Matter, Nanjing, China, 2013

2012年

 

  • Fujii, K., Hayakawa, C., Funakawa, S., Kosaki, T. Fluxes of dissolved organic carbon in tropical forest soils. 5th International Workshop on Soil and Sedimentary Organic Matter Stabilization and Destabilization. Monte Verità, Switzerland, 2012
  • Sugihara, S., Shibata, M., Mvond Z.A., Araki, S., Funakawa, S. Quantity and quality of soil C, N and P in Oxisols under different vegetations in Forest-Savanna transitional area at Eastern Cameroon. ASA, CSSA and SSSA Annual Meetings, Ohio, USA, 2012
  • Shibata, M., Sugihara, S., Funakawa, S., Araki, S. A comparison of soil solution composition from forest and savanna vegetation in eastern Cameroon. The 8th International Symposium on Plant-Soil Interactions at Low pH. University of Agricultural Sciences, GKVK, Bangalore, India, 2012
  • Fujii, K., Funakawa, S., Kosaki, T. Proton cycles of broad-leaved forests in Japan and its implication for soil acidification. ASLO (Association for the Sciences of Limnology and Oseanography) Aquatic Sciences Meeting, Shiga, Japan, 2012
  • Fujii, K., Uemura, M., Hayakawam C., Funakawa, S., Kosaki, T. Effects of pH on activities of ligninolytic enzymes in forest floor layers. The 8th International Symposium on Plant-Soil Interactions at Low pH, University of Agricultural Sciences, GKVK, Bangalore, India, 2012
  • Umetsu, C., Ishimoto, Y., Kanno, H., Lekprichakul, T., Miyazaki, H., Sakurai, T., Shinjo, H., Yamauchi, T. Building farmers’ resilience to food insecurity in Southern Zambia under rainfall variability. World Water Week 2012, Stockholm, Sweden, 2012

2011年

  • Fujii K, Funakawa S, Kosaki T. Is soil acidiifcation an ongoing process?: Natural process and human impacts. International Symposium on Land Degradation and Pedology, Tsukuba, Japan, 2011
  • Watanabe, T., Okumoto, H., Hartono, A., Sopha, G.A., Funakawa, S. Nutrient release from cow manure and its fate in two upland fields of Indonesia. 10th Conference of the East and Southeast Asian Federation of Soil Science, Colpmbo, Sri Lanka, 2011
  • Kadono, A., Funakawa, S., Kosaki, T. The effect of density fractions to the performance of soil organic carbon dynamics model under different ecosystems. 10th Conference of the East and Southeast Asian Federation of Soil Science, Colpmbo, Sri Lanka, 2011
  • Ikazaki, K., Shinjo, H., Tanaka, U., Tobita, S., Funakawa, S., Kosaki, T. Field-scale movement of soil carbon and nitrogen by wind erosion in the Sahel, West Africa. 3rd International Symposium on SOM, Leuven, Belgium, 2011
  • Sugihara S, Funakawa S, Kilasara M, Kosaki T. Effect of land management on CO2 flux and soil C budget in two contrasted soil texture croplands in Tanzania, Sub-Saharan Africa. 3rd International Symposium on SOM, Leuven, Belgium, 2011
  • Shinjo H., Ando K., Noro Y., Kuramitsu H., Takenaka S., Miura R., Tanaka U., Shibata S., Miyazaki H., Sokotela S. Ecological Resilience under Slash-and-Burn Agriculture and Fallowing in a Miombo Ecosystem in Eastern Province of Zambia. The Third Lusaka Resilience Workshop, Lusaka, Zambia, 2011

2010年

  • Kadono, A., Funakawa, S., Kosaki, T. Modeling of carbon flux in grassland ecosystems in Ukraine. 19th World Congress of Soil Science, Brisbane, Australia, 2010
  • Watanabe, T., Funakawa, S., and Kosaki, T. Distribution and formation conditions of gibbsite in the upland soils of humid Asia: Japan, Thailand and Indonesia. 19th World Congress of Soil Science, Brisbane, Australia, 2010
  • Nagano, H., Sugihara, S., Utsugi, I., Adachi, M., Okubo, F., Horaguchi, S., Matsushima, M., Okitsu, S., Prikhodko, V.E., Manakhova, E., Zdanovich, G.B., Zdanovich, D.G., Funakawa, S. Kawahigashi, M., Inubushi, K. Biological properties of paleosols and present-day soils in Arkaim and its surrounding area, south Urals, Russia. 19th World Congress of Soil Science, Brisbane, Australia, 2010
  • Tanaka, U., Kenta Ikazaki, Hitoshi Shinjo, Yuko Sasaki Establishment of practical technique to enhance crop production with preventing wind erosion in the Sahel, West Africa. GCOE-ARS Workshop on Science and Education Programs, Kyoto, Japan, 2010
  • Hayashi, K., Shinjo, H., Tanaka, U., Abdoulaye, T. Socioeconomic analysis on the project site. Proceedings of JIRCAS/ICRISAT Workshop on Fertility Improvement of Sandy Soils in the Sahel, Niamey, Niger, 2010
  • Tobita, S., Matsunaga, R., Shinjo, H., Hayashi, K., Miura, R., Tanaka, U., Abdoulaye, T., Ito, O. Identification of plant genetic resources with high potential contribution to the soil fertility enhancement in the Sahel. Proceedings of JIRCAS/ICRISAT Workshop on Fertility Improvement of Sandy Soils in the Sahel, Niamey, Niger, 2010

2009年

  • Funakawa, S., Yoshida, H., Watanabe, T., Kilasara, M., Kosaki, T. Soil forming-factors that determine distribution patterns of different soils in Tanzania. 5th Conference of the Africa Soil Science Society, Yaounde, Cameroon, 2009
  • Sugihara, S., Funakawa, S., Kilasara, M., Kosaki, T. Significance of soil microbes as a nutrient pool for crop growth and its applicability in a ropical cropland in Tanzania. 5th Conference of the Africa Soil Science Society, Yaounde, Cameroon, 2009
  • Ikazaki, K., Shinjo, H., Tanaka, U., Tobita, S., Funakawa, S., Kosaki, T. Field verification of performance of Aeolian Material Sampler in determining amount of coarse organic matter transported during wind erosion events in Sahel region of West Africa. 9th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Seoul, Korea, 2009
  • Kadono, A., Funakawa, S., Kosaki, T. Factors controlling potentially mineralizable and recalcitrant soil organic carbon in humid Asia. 9th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Seoul, Korea, 2009
  • Shinjo, H. 西アフリカ半乾燥熱帯における土壌炭素動態モデルの有効性 5th Conference of the Africa Soil Science Society, Yaounde, Cameroon, 2009
  • Shinjo, H., Hayashi, K., Abdoulyae, T., Kosaki, T. サヘル地域において定着牧畜民の家畜飼養管理とそのミレット生産に対する効果-ニジェール南西部の事例. 5th Conference of the Africa Soil Science Society, Yaounde, Cameroon, 2009
  • Ikazaki, K., Shinjo, H., Tanaka, U., Tobita, S., Funakawa, S., Kosaki, T 西アフリカ・サヘル地域における風食による土壌および養分フラックスの現場観測. 5th Conference of the Africa Soil Science Society, Yaounde, Cameroon, 2009
  • Ikazaki, K., Shinjo, H., Tanaka, U., Tobita, S., Funakawa, S., Kosaki, T. 西アフリカ・サヘル地域の風食によって運ばれる粗大有機物定量のための捕捉装置の性能確認. 9th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Seoul, Korea, 2009
  • Ikazaki, K., Shinjo, H., Tanaka, U., Tobita, S., Funakawa, S., Kosaki, T. Field estimation of soil and nutrient flux by wind erosion in the Sahel region of West Africa. 5th Conference of the Africa Soil Science Society, Yaounde, Cameroon, 2009

2007年

  • Funakwa, S., Watanabe, T., Kosaki, T. Regional trend of chemical and mineralogical properties of upland soils in humid Asia: Japan.Japan, Thailand and Indonesia, Eighth Conference of the East and Southeast Asian Federation of Soil Science, Tsukuba, Japan, 2007
  • Watanabe, T., Funakawa, S., Kosaki, T. Differences in acid neutralizing reactions for upland soils in humid Asia: Japan, Thailand and Indonesia. 8th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Tsukuba, Japan, 2007
  • Funakawa, S., Kosaki, T. Regional trend of chemical and mineralogical properties of upland soils in Humid Asia. 8th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Tsukuba, Japan, 2007
  • Watanabe, T., Funakawa, S., Kosaki, T. Differences in acid neutralizing reactions for upland soils in humid Asia: Japan, Thailand and Indonesia. 8th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Tsukuba, Japan, 2007
  • Sugihara, S., Funakawa, S., Kosaki, T. Field measurement of short-term dynamics of soil organic matter and microbial biomass after simulated rainfall in two different soil texture croplands in tropical Thailand. 8th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Tsukuba, Japan, 2007
  • Takata, Y., Funakawa, S., Akshalov, K., Ishida, N., Kosaki, T. Analysis of spatial and temporal variation of soil organic carbon budget in northern Kazakhstan. 8th International Conference of the East and Southeast Asia Federation of Soil Science Societies, Tsukuba, Japan, 2007
  • Kamidohzono, A., Hayashi, K., Matsumoto, N., Matsunaga, R., Tobita, S., Shinjo, H., Bationo, A. Effect of long term crop residue amendment on soil carbon and nitrogen on Psammentic Paleustalfs in the Sahel Zone, Niger. 4th Conference of African Soil Science Society, Accra, Ghana, 2007
  • Ikazaki, K., Shinjo, H., Tanaka, U., Kosaki, T. Development of a new sediment catcher to evaluate the effect of wind erosion on carbon dynamics in the Sahel, West Africa. International Symposium on Organic Matter Dynamics in Agro-Ecosystems, Poitiers, France, 2007
  • Tobita, S., Shinjo, H., Hayashi, K., Matsunaga, R., Miura, R., Tanaka, U., Abdoulaye, T., Ito, O. Identification of plant genetic resources with high potential contribution to the soil fertility enhancement in the Sahel -with special interest in fallow vegetation. 6th IndigenoVeg Meeting , Arusha, Tanzania, 2007

2006年

  • Watanabe, T., Funakawa, S., Kosaki, T. Clay mineralogy and its relation to water extract composition for soils from different environment in humid Asia: Japan, Thailand, and Indonesia. 18th World Congress of Soil Science, Pennsylvania, USA, 2006
  • Tobita, S., Shinjo, H., Miura, R., Tanaka, U., Hayashi, K., Matsunaga, R. Estimation of the contribution of natural fallow plant species to the nitrogen budget of agro-ecosystems in the Sahel. 5th International Conference on Applications of Stable Isotope Techniques to Ecological Studies, Belfast, Northern Ireland, 2006

2005年

  • Tobita, S., Matsunaga, R., Shinjo, H., Miura, R., Hayashi, K., Pasternak, D., Abaidoo, R., Singh, B.B. Stable isotope studies for understanding of agroecosystems in the Sahel. JIRCAS and ICRISAT Symposium, Niamey, Niger, 2005
  • Shinjo, H., Sugihara, S., Hayashi, K., Tanaka, U. Temporal dynamics of organic \nmatter and water in a sandy soil of the Sahel under different management practices. JIRCAS and ICRISAT Symposium, Niamey, Niger, 2005

2004年

  • Watanabe, T., Funakawa, S., Kosaki, T. Fates of Al-containing clay minerals in leaching conditions of acid soils in humid, Asia. 6th International Symposium of Plant-Soil Interacitons at low pH,  Japan, 2004

2002年

  • Shinjo, H., Hirata, M., Koga, N., and Kosaki, T. Evaluation of water erosion risk and recommendation for sustainable land use in northeastern Syria. 17th World Congress of Soil Science, Bangkok, Thailand, 2002
  • Funakawa, S., Kaewkhongkha, T., Pulunggono, H.B. Dynamics of labile organic matter under shifting cultivation in different bio-climatic conditions in humid Asia. 17th World Congress of Soil Science, Bangkok, Thailand, 2002
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